题目
155 ADM is an activity-on-arrow method. In this method, a dummy activity:
A. Denotes a critical path relationship.
B. Denotes any dependency relationship.
C. Shows slack.
D. Identifies customer deliverables dates.
E. Identifies customer team meeting dates
第8题
A.社会产生了。其基本特征是
B.①封君封臣制度②城市自治③庄园与农奴制度④中央集权
C.①②
D.①③
E.②③
F.②④
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